Dawn of Thursday 18 January
Taken. The only dawn Caturdaśī reaches.
114 of 114 minutes covered
Ruling · Yama Tarpaṇa · 2091
Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 289 minutes.
One ghaṭī is 24 minutes. Aruṇodaya is 2 muhūrtas before sunrise.
Dawn of Thursday 18 January
Taken. The only dawn Caturdaśī reaches.
114 of 114 minutes covered
Dawn of Friday 19 January
Caturdaśī is absent from aruṇodaya. Not taken.
0 of 113 minutes covered
Aṅga
Caturdaśī runs from 00:52 on Thu 18 Jan to 00:28 on Fri 19 Jan.
2091-01-17T16:51:50Z → 2091-01-18T16:27:45Z
Kāla
Aruṇodaya is 2 muhūrtas before sunrise: 05:41–07:34 on the 18th, 05:41–07:34 on the 19th.
arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Caturdaśī must be present during aruṇodaya. It covers 114 of 114 minutes on the 18th and 0 of 113 on the 19th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
Tie-break
Only one dawn qualifies. No tie-break is needed.
priority: unstated → only-day · margin 17337 s
Ruling
Yama Tarpaṇa, Baoding, 2091: Thursday 18 January.
confidence: determinate
In Baoding, Yama Tarpaṇa 2091 falls on Thursday 18 January. Caturdaśī runs from 00:52 on Thu 18 Jan to 00:28 on Fri 19 Jan and covers all of aruṇodaya that dawn.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 18 Jan |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 18 Jan |
| compat-drikpanchang | Comparison profile | Thu 18 Jan |
| No institution has a recorded ruling for Baoding. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/yama-tarpana · ruleset 2026.3-draft
“K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.
Twelve places, west to east. Local clock times.
| Place | Caturdaśī | Aruṇodaya 17th | Covered | Aruṇodaya 18th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 08:52 → 08:28 | 05:07 | 0 min | 05:07 | 110 min | 18 Jan |
| Chicago | 10:52 → 10:28 | 05:19 | 0 min | 05:19 | 116 min | 18 Jan |
| Jersey City | 11:52 → 11:28 | 05:23 | 0 min | 05:22 | 115 min | 18 Jan |
| Port of Spain | 12:52 → 12:28 | 04:50 | 0 min | 04:50 | 99 min | 18 Jan |
| London | 16:52 → 16:28 | 05:53 | 0 min | 05:53 | 124 min | 18 Jan |
| Durban | 18:52 → 18:28 | 03:50 | 0 min | 03:51 | 82 min | 18 Jan |
| Dubai | 20:52 → 20:28 | 05:20 | 0 min | 05:20 | 106 min | 18 Jan |
| Delhi | 22:22 → 21:58 | 05:27 | 0 min | 05:27 | 108 min | 18 Jan |
| Kolkata | 22:22 → 21:58 | 04:34 | 0 min | 04:35 | 105 min | 18 Jan |
| Singapore | 00:52 → 00:28 | 05:38 | 0 min | 05:38 | 96 min | 18 Jan |
| Sydney | 03:52 → 03:28 | 04:43 | 0 min | 04:44 | 79 min | 18 Jan |
| Suva | 04:52 → 04:28 | 04:17 | 0 min | 04:17 | 53 min | 18 Jan |